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    >PatternSyns</title
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      ><li
	><a href="#"
	  >Contents</a
	  ></li
	><li
	><a href="#"
	  >Index</a
	  ></li
	></ul
      ><p class="caption empty"
      ></p
      ></div
    ><div id="content"
    ><div id="module-header"
      ><table class="info"
	><tr
	  ><th
	    >Safe Haskell</th
	    ><td
	    >Safe</td
	    ></tr
	  ></table
	><p class="caption"
	>PatternSyns</p
	></div
      ><div id="description"
      ><p class="caption"
	>Description</p
	><div class="doc"
	><p
	  >Testing some pattern synonyms</p
	  ></div
	></div
      ><div id="synopsis"
      ><p id="control.syn" class="caption expander" onclick="toggleSection('syn')"
	>Synopsis</p
	><ul id="section.syn" class="hide" onclick="toggleSection('syn')"
	><li class="src short"
	  ><span class="keyword"
	    >data</span
	    > <a href="#"
	    >FooType</a
	    > x = <a href="#"
	    >FooCtor</a
	    > x</li
	  ><li class="src short"
	  ><span class="keyword"
	    >pattern</span
	    > <a href="#"
	    >Foo</a
	    > :: <span class="keyword"
	    >forall</span
	    > t. t -&gt; <a href="#"
	    >FooType</a
	    > t</li
	  ><li class="src short"
	  ><span class="keyword"
	    >pattern</span
	    > <a href="#"
	    >Bar</a
	    > :: <span class="keyword"
	    >forall</span
	    > t. t -&gt; <a href="#"
	    >FooType</a
	    > (<a href="#"
	    >FooType</a
	    > t)</li
	  ><li class="src short"
	  ><span class="keyword"
	    >pattern</span
	    > <a href="#"
	    >(:&lt;-&gt;)</a
	    > :: <span class="keyword"
	    >forall</span
	    > t t1. t -&gt; t1 -&gt; (<a href="#"
	    >FooType</a
	    > t, <a href="#"
	    >FooType</a
	    > (<a href="#"
	    >FooType</a
	    > t1))</li
	  ><li class="src short"
	  ><span class="keyword"
	    >data</span
	    > a <a href="#"
	    >&gt;&lt;</a
	    > b = <a href="#"
	    >Empty</a
	    ></li
	  ><li class="src short"
	  ><span class="keyword"
	    >pattern</span
	    > <a href="#"
	    >E</a
	    > :: <span class="keyword"
	    >forall</span
	    > k t t1. <a href="#"
	    >(&gt;&lt;)</a
	    > k t t1</li
	  ></ul
	></div
      ><div id="interface"
      ><h1
	>Documentation</h1
	><div class="top"
	><p class="src"
	  ><span class="keyword"
	    >data</span
	    > <a id="t:FooType" class="def"
	    >FooType</a
	    > x <a href="#" class="selflink"
	    >#</a
	    ></p
	  ><div class="doc"
	  ><p
	    >FooType doc</p
	    ></div
	  ><div class="subs constructors"
	  ><p class="caption"
	    >Constructors</p
	    ><table
	    ><tr
	      ><td class="src"
		><a id="v:FooCtor" class="def"
		  >FooCtor</a
		  > x</td
		><td class="doc empty"
		></td
		></tr
	      ></table
	    ></div
	  ></div
	><div class="top"
	><p class="src"
	  ><span class="keyword"
	    >pattern</span
	    > <a id="v:Foo" class="def"
	    >Foo</a
	    > :: <span class="keyword"
	    >forall</span
	    > t. t -&gt; <a href="#"
	    >FooType</a
	    > t <a href="#" class="selflink"
	    >#</a
	    ></p
	  ><div class="doc"
	  ><p
	    >Pattern synonym for <code
	      ><a href="#"
		>Foo</a
		></code
	      > x</p
	    ></div
	  ></div
	><div class="top"
	><p class="src"
	  ><span class="keyword"
	    >pattern</span
	    > <a id="v:Bar" class="def"
	    >Bar</a
	    > :: <span class="keyword"
	    >forall</span
	    > t. t -&gt; <a href="#"
	    >FooType</a
	    > (<a href="#"
	    >FooType</a
	    > t) <a href="#" class="selflink"
	    >#</a
	    ></p
	  ><div class="doc"
	  ><p
	    >Pattern synonym for <code
	      ><a href="#"
		>Bar</a
		></code
	      > x</p
	    ></div
	  ></div
	><div class="top"
	><p class="src"
	  ><span class="keyword"
	    >pattern</span
	    > <a id="v::-60--45--62-" class="def"
	    >(:&lt;-&gt;)</a
	    > :: <span class="keyword"
	    >forall</span
	    > t t1. t -&gt; t1 -&gt; (<a href="#"
	    >FooType</a
	    > t, <a href="#"
	    >FooType</a
	    > (<a href="#"
	    >FooType</a
	    > t1)) <a href="#" class="selflink"
	    >#</a
	    ></p
	  ><div class="doc"
	  ><p
	    >Pattern synonym for (<code
	      ><a href="#"
		>:&lt;-&gt;</a
		></code
	      >)</p
	    ></div
	  ></div
	><div class="top"
	><p class="src"
	  ><span class="keyword"
	    >data</span
	    > a <a id="t:-62--60-" class="def"
	    >&gt;&lt;</a
	    > b <a href="#" class="selflink"
	    >#</a
	    ></p
	  ><div class="doc"
	  ><p
	    >Doc for (<code
	      ><a href="#"
		>&gt;&lt;</a
		></code
	      >)</p
	    ></div
	  ><div class="subs constructors"
	  ><p class="caption"
	    >Constructors</p
	    ><table
	    ><tr
	      ><td class="src"
		><a id="v:Empty" class="def"
		  >Empty</a
		  ></td
		><td class="doc empty"
		></td
		></tr
	      ></table
	    ></div
	  ></div
	><div class="top"
	><p class="src"
	  ><span class="keyword"
	    >pattern</span
	    > <a id="v:E" class="def"
	    >E</a
	    > :: <span class="keyword"
	    >forall</span
	    > k t t1. <a href="#"
	    >(&gt;&lt;)</a
	    > k t t1 <a href="#" class="selflink"
	    >#</a
	    ></p
	  ><div class="doc"
	  ><p
	    >Pattern for <code
	      ><a href="#"
		>Empty</a
		></code
	      ></p
	    ></div
	  ></div
	></div
      ></div
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